ISO/IEC 17025 Accredited RF & Microwave Calibration
Accurate RF and microwave measurement is essential for reliable wireless communications, radar systems, satellite technology, and advanced electronic applications. Our national network of local calibration providers delivers the precision your equipment depends on—supporting system performance, regulatory compliance, and operational reliability.
Our RF & Microwave Calibration Services
RF and microwave instruments are critical across cellular networks, WiFi systems, aerospace radar, satellite communications, and other high-frequency applications.
When instruments drift out of specification, the consequences can include communication failures, system interference, regulatory violations, and degraded performance in critical systems. The Accredited Labs network provides comprehensive RF and microwave calibration services to keep your instruments performing within their required accuracy ranges.
Our Process
RF and microwave calibration involves verifying and adjusting instruments across radio and microwave frequency ranges, covering frequency, power, and impedance parameters. Each device is compared to certified reference standards with known, traceable values to identify deviations from intended performance.
Expert technicians use precision signal generators, power meters, and network analyzers to evaluate instruments throughout their frequency ranges and power levels. They document all variations and may make the adjustments needed to restore accuracy. If an instrument cannot be restored to the required accuracy range, you receive detailed reporting with the data necessary for uncertainty calculations, maintenance planning, or replacement decisions.
All RF and microwave calibrations follow internationally recognized standards and industry best practices to deliver consistency, reliability, and full measurement traceability. Each instrument is returned with documentation linking its accuracy to national frequency and power standards—supporting telecommunications regulations, aerospace requirements, and quality management systems.
Types of RF & Microwave Measuring Instruments We Calibrate
Our comprehensive RF and microwave calibration services cover the complete spectrum of high-frequency measurement instruments used across industries:
- Network Analyzers and Vector Network Analyzers: These sophisticated instruments measure impedance, reflection, transmission, and scattering parameters across wide frequency ranges. Calibration ensures accurate measurement of return loss, insertion loss, VSWR, and complex impedance parameters essential for RF system design and optimization.
- Signal Generators and Synthesizers: RF signal sources including signal generators, synthesizers, and arbitrary waveform generators require calibration of frequency accuracy, power output, and spectral purity. Calibrated signal sources provide the accurate test signals needed for receiver testing, system evaluation, and component characterization.
- Power Meters and Power Sensors: RF power measurement instruments require calibration across frequency and power ranges to ensure accurate power level determination. These instruments support transmitter testing, amplifier characterization, and system power budget analysis with the accuracy needed for regulatory compliance and performance optimization.
- Spectrum Analyzers and Signal Analyzers: These instruments measure signal characteristics including frequency content, power distribution, and modulation parameters. Calibration ensures accurate spectrum measurement for interference analysis, signal quality assessment, and regulatory compliance testing across diverse RF applications.
- Frequency Counters and Time Interval Analyzers: Precision frequency measurement instruments require calibration for accurate frequency and timing measurements that support oscillator testing, reference standard verification, and system synchronization in demanding timing applications.
- RF Voltmeters and Field Strength Meters: These instruments measure RF voltage levels and electromagnetic field strength for safety compliance, interference assessment, and system performance evaluation. Calibration ensures accurate measurement across frequency ranges and field strength levels.
- Impedance Analyzers and LCR Meters: High-frequency impedance measurement instruments require calibration for accurate component characterization and impedance matching applications. These instruments support antenna testing, filter design, and component quality control with frequency-dependent accuracy.
- Antenna Test Equipment and Range Instrumentation: Antenna measurement systems including gain measurement equipment, pattern analyzers, and range instrumentation require specialized calibration procedures that account for antenna characteristics and measurement environments.
- Modulation Analyzers and Communication Test Sets: Advanced communication test equipment requires calibration of modulation accuracy, error vector magnitude, and digital signal analysis parameters that support modern communication system testing and optimization.
- Microwave Components and Waveguide Devices: Microwave test equipment including waveguide power meters, directional couplers, and precision attenuators require specialized calibration procedures that address waveguide interfaces and microwave measurement techniques.
Find RF & Microwave Calibration Services
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Accutek Lab
Accutek Lab has been providing reliable and cost-effective pipette calibration services across the United States since 1996.
Calibration ServicesPipette Calibration -
Aldinger
Since 1972, Aldinger has been providing top-quality calibration services for test and measurement equipment in Texas and beyond.
Calibration ServicesDimensional Calibration Electrical Calibration Flow Calibration Force Calibration Mass Calibration +7 more -
Cal-Cert
Cal-Cert is committed to providing the highest level of calibrations and certification service to our customers.
Calibration ServicesForce Calibration Torque Calibration Mass Calibration Pressure Calibration Temperature Calibration +3 more -
Cal-Labs
Cal-Labs has provided quality calibration in Southern California since 1977. We are A2LA accredited to ISO 17025.
Calibration ServicesDimensional Calibration -
Calibration Services Inc.
Calibration Services, Inc. (CSI) is an on-site and in-house calibration firm specializing in calibration and service of mechanical testing devices.
Calibration ServicesForce Calibration Torque Calibration Mass Calibration Dimensional Calibration Pressure Calibration +3 more -
Cal Tec Process Management
The calibration specialists at CTPM have been providing precision calibration and quality assurance since 1987.
Calibration ServicesForce Calibration Torque Calibration Mass Calibration Dimensional Calibration Pressure Calibration +2 more -
Calser Calibrations
Since 1979, Calser Calibrations has delivered trusted, precision calibration services backed by a commitment to quality and reliability.
Calibration ServicesConstruction Materials Testing Equipment Calibration Dimensional Calibration Force Calibration Mass Calibration Pressure Calibration +3 more -
CMG Sales, Inc.
CMG Sales, Inc. is a leading manufacturer sales representative and ISO 17025 accredited calibration laboratory providing services to manufacturers nationwide.
Calibration ServicesCoating Thickness Calibration Color Calibration -
Color Calibration Group
Color Calibration Group has been providing professional calibration services for all your color, light, and viscosity calibration needs for over 25 years.
Calibration ServicesCoating Thickness Calibration Color Calibration -
ETI Precision
ETI has been a leader in the calibration, repair, and sale of test and measurement equipment since 1994, and covers all 50 states.
Calibration ServicesElectrical Calibration Force Calibration Torque Calibration Dimensional Calibration Pressure Calibration +2 more -
Holts Precision, Inc.
For over 60 years Holts Precision, Inc. has performed calibrations & repairs on all major brands of gaging equipment.
Calibration ServicesDimensional Calibration Electrical Calibration Force Calibration Mass Calibration Pressure Calibration +2 more -
Huston-DePue
Established in 1960, HDCL is staffed by experienced professionals who understand the critical role accurate measurement plays in quality control and regulatory compliance.
Calibration ServicesFlow Calibration Force Calibration Torque Calibration Mass Calibration Dimensional Calibration +3 more -
Instrument Technologies, Inc.
For over three decades, Instrument Technologies, Inc. (ITI) has been a trusted partner for regulated industries seeking precision, compliance, and operational reliability.
Calibration ServicesFlow Calibration Mass Calibration Dimensional Calibration Pressure Calibration Time Calibration +1 more -
IPM, Inc.
Industrial Process Measurement, Inc. has been in the instrument supply, service and calibration business for over 30 years.
Calibration ServicesDimensional Calibration Electrical Calibration Flow Calibration Force Calibration Humidity Calibration +6 more -
J & J Calibration Service
J&J Calibration Service, an ISO-17025 accredited company, offers unmatched mobile calibration capabilities and laboratory calibration services.
Calibration ServicesDimensional Calibration Electrical Calibration Force Calibration Pressure Calibration Temperature Calibration +1 more -
OCS Technologies
Founded in 1930, OCS Technologies is a trusted multi-discipline calibration service provider as well as leading product distributor.
Calibration ServicesForce Calibration Torque Calibration Mass Calibration Dimensional Calibration Pressure Calibration +3 more -
OnCal
With over 23 years of experience in pipette calibration in the Pacific Northwest, the OnCal Corporation guarantees seamless and dependable metrology services.
Calibration ServicesPipette Calibration -
Polymer Testing Instruments
Since 1996 Polymer Testing Instruments Inc. has provided high quality service and calibration of equipment for the rubber, plastics, and energy industries.
Calibration ServicesForce Calibration Torque Calibration Dimensional Calibration Pressure Calibration Temperature Calibration +1 more -
Precision Calibration Systems
PCS is a full-service ISO 17025 Accredited calibration laboratory, founded with the goal of providing reliable and accurate instrument calibration service.
Calibration ServicesFlow Calibration Force Calibration Torque Calibration Mass Calibration Dimensional Calibration +4 more -
Quality Control Services
Quality Control Services is an established, accredited calibration services and laboratory equipment company with over 40 years of experience.
Calibration ServicesForce Calibration Mass Calibration Pipette Calibration Temperature Calibration -
Quality Surveillance, Inc.
QSI has been providing Los Angeles, Ventura, Santa Barbara and Santa Clarita Counties with reliable and cost effective metrology services since 1992.
Calibration ServicesDimensional Calibration Force Calibration Mass Calibration Pressure Calibration Temperature Calibration +3 more -
Scale Service & Supply
From laboratory balances to truck scales, Scale Service & Supply has been providing precision calibration for weighing systems since 1987.
Calibration ServicesScale Calibration Mass Calibration -
Servo Innovations
Servo Innovations, founded in 2005, has earned industry-wide trust for its accredited calibration, repair, and technical services.
Calibration ServicesFlow Calibration Force Calibration Torque Calibration Dimensional Calibration Pressure Calibration +1 more -
Tescom Calibration Services
Tescom Calibration Services has provided sales, repair, and calibration of telecom test equipment since 1982.
Calibration ServicesFlow Calibration Force Calibration Torque Calibration Mass Calibration Dimensional Calibration +4 more -
Trident Calibration Labs
Serving the greater Phoenix area, Trident Calibration Labs has more than 100 years of combined calibration experience.
Calibration ServicesElectrical Calibration RF & Microwave Calibration Dimensional Calibration Force Calibration Mass Calibration +6 more -
Tru Cal International
Serving as an asset to countless businesses in a variety of industries, Tru Cal International has specialized in test equipment calibration since 1992.
Calibration ServicesElectrical Calibration Dimensional Calibration Force Calibration Pressure Calibration RF & Microwave Calibration +3 more -
Utah Scale Center
Utah Scale Center offers servicing and calibrating of industrial scales across the Rocky Mountain Region, with 70+ years of experience.
Calibration ServicesScale Calibration -
Washington Calibration
Washington Calibration has been providing customers with quality gage repair services for all their inspection measuring instruments for more than 34 years.
Calibration ServicesDimensional Calibration Force Calibration Mass Calibration Pressure Calibration Temperature Calibration +1 more
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Submit Your Equipment List
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Schedule Your Calibration
Choose a convenient time for a mobile or on-site equipment calibration. Our certified technicians ensure precision and compliance with ISO/IEC 17025 standards.
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Receive detailed calibration reports and certification, giving you peace of mind for audits and operational excellence.
Frequently Asked Questions
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What types of RF and microwave instruments require regular calibration?
RF and microwave calibration covers instruments such as spectrum analyzers, signal generators, power meters and sensors, network analyzers, frequency counters, attenuators, directional couplers, and high-bandwidth oscilloscopes. Any instrument used to measure or generate RF or microwave signals in a test, production, or compliance environment should be included in a calibration schedule.
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How does frequency range affect RF calibration complexity?
Higher frequency instruments are generally more complex to calibrate because the physical behavior of RF signals changes significantly as frequency increases — connector quality, cable losses, and impedance matching all have greater impact at higher frequencies. Instruments operating in the microwave range require specialized reference standards and measurement techniques, and not all calibration labs are equipped to handle the full RF spectrum.
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What role does connector care play in maintaining RF instrument calibration?
RF connectors are one of the most common sources of measurement error in high-frequency applications. Worn, damaged, or contaminated connectors introduce impedance discontinuities that degrade measurement accuracy — and connector problems may not be obvious until calibration or measurement anomalies appear. Proper connector care, including inspection, cleaning, and torquing to specification, is an important complement to regular calibration for RF and microwave instruments.
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What standards govern RF and microwave calibration, and which accreditation bodies recognize them?
RF and microwave calibration is performed in accordance with standards from organizations such as NIST, IEEE, and IEC, with the specific applicable standard depending on the instrument type and parameter being calibrated. Accreditation to ISO/IEC 17025 by recognized bodies such as A2LA, NVLAP, or ANAB confirms that the calibration laboratory has been independently assessed for technical competence across its stated RF measurement capabilities.
